Compilare: main.cpp: In function 'void rez(int)': main.cpp:61:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0; it<dis[i].size(); ++it) discipline[dis[i][it]]=1; ~~^~~~~~~~~~~~~~ main.cpp:65:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0; it<dis[i].size(); ++it) discipline[dis[i][it]]=0; ~~^~~~~~~~~~~~~~ main.cpp: In function 'void citire()': main.cpp:14:37: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d%d", &n, &k, &d); ^ main.cpp:19:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &participari); ^ main.cpp:23:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &x); ^